Samsung SGH-E910 User manual

GSM TELEPHONE
SGH-E910
GSM TELEPHONE CONTENTS
1. Specification
2. Flow Chart of Troubleshooting
3. Exploded Views and Parts List
4. Electrical Parts List
5. PCB Diagrams
6. Block Diagrams

1. SGH-E910 Specification
1-1
1-1. GSM General Specification
GSM900
Phase 1
EGSM 900
Phase 2
DCS1800
Phase 1 PCS1900
Freq. Band[MHz]
Uplink/Downlink
890~915
935~960
880~915
925~960
1710~1785
1805~1880
1850~1910
1930~1990
ARFCN range 1~124 0~124 &
975~1023 512~885 512~810
Tx/Rx spacing 45MHz 45MHz 95MHz 80MHz
Mod. Bit rate/
Bit Period
270.833kbps
3.692us
270.833kbps
3.692us
270.833kbps
3.692us
270.833kbps
3.692us
Time Slot
Period/Frame
Period
576.9us
4.615ms
576.9us
4.615ms
576.9us
4.615ms
576.9us
4.615ms
Modulation 0.3GMSK 0.3GMSK 0.3GMSK 0.3GMSK
MS Power 33dBm~13dBm 33dBm~5dBm 30dBm~0dBm 30dBm~0dBm
Power Class 5pcl ~ 15pcl 5pcl ~ 19pcl 0pcl ~ 15pcl 0pcl ~ 15pcl
Sensitivity -102dBm -102dBm -100dBm -100dBm
TDMA Mux 8 8 8 8
Cell Radius 35Km 35Km 2Km -

SGH-E910 Speclflcation
1-2
1-2. GSM Tx Power Class
TX Power
control level GSM900
5 33±2 dBm
6 31±2 dBm
7 29±2 dBm
8 27±2 dBm
9 25±2 dBm
10 23±2 dBm
11 21±2 dBm
12 19±2 dBm
13 17±2 dBm
14 15±2 dBm
15 13±2 dBm
16 11±3 dBm
17 9±3dBm
18 7±3 dBm
19 5±3 dBm
TX Power
control level DCS1800
0 30±3 dBm
1 28±3 dBm
2 26±3 dBm
3 24±3 dBm
4 22±3 dBm
5 20±3 dBm
6 18±3 dBm
7 16±3 dBm
8 14±3 dBm
9 12±4 dBm
10 10±4 dBm
11 8±4dBm
12 6±4 dBm
13 4±4 dBm
14 2±5 dBm
15 0±5 dBm
TX Power
control level PCS1900
0 30±3 dBm
1 28±3 dBm
2 26±3 dBm
3 24±3 dBm
4 22±3 dBm
5 20±3 dBm
6 18±3 dBm
7 16±3 dBm
8 14±3 dBm
9 12±4 dBm
10 10±4 dBm
11 8±4dBm
12 6±4 dBm
13 4±4 dBm
14 2±5 dBm
15 0±5 dBm

2. SGH-E910 Flow Chart of Troubleshooting
2-1
2-1 BASEBAND
2-1-1. Power ON
'Power On' does not work
Yes
Check the current
consumption more
than 100mA Download again
No
Yes
Charge the Battery
Check the VBAT
more than 3.3V
No
Yes
①
Check the
VLDO7_1.8V
of U301 is more than
1.8V
Check U301 and C310
No
Yes
Check C315 and U301
Check C343 and U304
②
Check VCCD_1.5 of
U304=1.5V
No
③
Yes
Check VRF of
U301=2.9V Check U301 and C314
No
Yes
④
Check C115
Freq = 13MHz
Vp-p > 0.8V Check the clock C115
No
Yes
Check the initial operation
Yes
END

SGH-E910 Flow Chart of Troubleshooting
2-2
V300
C318
R304
C319 R305
R301
R302
C322
VCCB_2.9
R320
C316
VBAT
VRF_2.9
C309
VCCD_1.8
C312 BAT301
2
G
E
N
1
S
O
P
VLDO_7 C12
VREF A10
VRTC H11
VSIM K12
N
E
_
G
N
R
_
B
I
V
VL4S_A A12
VL4S_B B11
VL5S_A D10
C9
VL5S_B
G11
VLDO_1
VLDO_2 J12
VLDO_3 A13
VLDO_4 B12
VLDO_5 B10
VLDO_6 A14
VDD34
5
D
D
V0
1
C
7
6
D
D
V3
1
B
VEXT E14
VIB_DRV F15
9
L
UP_CLK N9
UP_IO P10
UP_RST R10
VACC F14
VBAT E13
VDD12 J13
C11
SCLK_PSC L8
M7
SDI_PSC
SDO_PSC N7
SIM_CLK K14
SIM_IO J11
SIM_RST K11
RING_DRV F13
H10
RTC_ALMN
G12
Q
R
T
N
I
0
1
L
LED1_DRV G13
LED2_DRV
CH_ISEN F12
CH_RES D14
E9
CREF
K8
CSN_PSC
CH_BDRV E11
ADC_AUX1 E10
ADC_AUX2 D15
VCCA_2.9
C315C314
VCCD_2.9
C310 C313
VRTC_1.5
VCCB_2.9
R303
C317C311
VSIM_2.9
VCCB_2.9
VLDO1_1.5V
BP_VF
KEY_BL
VIB_DRV
ICHRG
UP_SCLK
UP_CS
GSM_TX_EN
DCS_TX_EN
SIM_RST
SIM_IO
SIM_CLK
SIMDATA
SIMRST
RTCALARM
UP_SDO
UP_SDI
SIMCLK
U301

SGH -E 910 Flow Chart of Troubleshooting
2-3
C115
C114
R107
C117
R106
CLK13M_YMU
C116
CLK13M_TR
CLK13M_MC
L300
VBAT
6.3V
VCCD_2.9
1VIN
VCCD_1.5
U304
3EN 4
FB
GND
2
5
SW
F306
2
1
3
C343

SGH-E910 Flow Chart of Troubleshooting
2-4
Check and resolder
con-to-con connector
HDC301,HDC101 or
con-to-con FPCB
change
2-1-2. Initial
Initial Failure
Yes
①
Check the signal at pin
K9 of U301 is
"Low" for 250ms after
when the phone is boot
No Check TP301 of U301
Yes
②
Check the pin4 of
OSC201 is around
No Check the soldered status of
UCP201, OSC201, C214, C215
③
Yes
No Check HDC500 and LCD part
LCD display is O.K?
Yes
Check audio part
Sound is O.K? No
END
Yes
Yes

SGH -E 910 Flow Chart of Troubleshooting
2-5
U301
1
0
3
P
T
Q
A
N
E
O
X
1
D
VREF A10
N
E
_
G
N
R
_
B
I
V
9
L
O
_
T
E
S
E
R
9
K
H10
RTC_ALMN
K
L
C
_
C
T
R
F
U
B
_
1
W
S
P
7
L
P
E
E
K
_
R
W
P
9
M
N
1
W
S
_
R
W
P
5
1
C2
W
S
_
R
W
P
4
1
C
C
M
6
R
E
D
O
M
0
1
N
Q
R
T
N
I
0
1
L
R
T
N
I
D
3
P
E9
CREF
ADC_AUX1 E10
ADC_AUX2 D15
5
P4
X
U
A
_
C
D
A
N
E
_
B
I
V
F
U
B
_
1
W
S
P
Q
A
N
E
O
X
K
2
3
K
L
C
C
M
_
M
3
1
K
L
C
N
O
_
R
W
P
N
O
_
G
I
J
T
N
I
_
P
S
D
Q
R
T
N
I
P
E
E
K
_
R
W
P
T
S
R

SGH-E910 Flow Chart of Troubleshooting
2-6
5
1
2
C
4
1
2
C
C
T
R
1
X
9
1
H
9
1
FC
T
R
2
X
5
G6
4
O
I
P
_
1
M
W
P
N
M
R
A
L
A
C
T
R
7
1
H
R14
4
1
LN
E
_
D
M
C
_
I
C
M
_
9
3
O
I
P
N
E
_
T
A
D
_
I
C
M
_
0
4
O
I
P
4
1
M
4
1
NN
E
_
0
T
A
D
_
I
C
M
_
3
4
O
I
P
J16
PIO47
2
1
L
3
1
L2
T
A
D
_
I
C
M
_
3
2
O
I
P
3
T
A
D
_
I
C
M
_
4
2
O
I
P
5
1
L
9
1
V5
2
O
I
P
6
2
O
I
P
6
1
U
7
2
O
I
P
9
1
U
7
1
W8
2
O
I
P
P12
PIO31_IRQ6
2
3
O
I
P
3
1
R
U18
PIO33
PIO34
D
M
C
_
I
C
M
_
8
0
O
I
P
3
1
J
0
1
O
I
P
7
1
V
5
1
PP
E
E
K
R
W
P
_
9
1
O
I
P
Q
E
R
K
L
C
S
Y
S
_
0
2
O
I
P
9
1
P
3
1
K0
T
A
D
_
I
C
M
_
1
2
O
I
P
1
T
A
D
_
I
C
M
_
2
2
O
I
P
6
1
GT
U
O
2
3
C
S
O
PIO00_IRQ5 P16
IRQ1 M16
M19
IRQ2
IRQ3 P17
P18
IRQ4
M4
ATCK_CTS1
ATMS_PIO45 K12
OSC201
BACKEND_EN
VLCD_EN
LCD_BACKLIGHT
DLC_DETECT
MOTOR-
CLK32K
EAR_SWITCH
PWR_KEEP
XOENAQ
MOTOR+
VCAM_EN
MOTOR_SENSE
RTCALARM

SGH -E 910 Flow Chart of Troubleshooting
2-7
88
9
9
37
37 38
38
39 39
44
40 40
5
56
6
77
3
30
30
31 31 32 32
33
33 34
34
35 35 36 36
22
23 23 24 24
25
25 26
26
27 27 28 28
29
29
3
15 16 16
17
17 18
18
19 19
2
2
20 20
21
21 22
1
1
10
10
11 11 12 12
13
13 14
14
15
HDC500